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sanskriti singh Grade: 11
        chlorophyll contains 2.68% magnesium by mass.the number of magnesium atoms present in 1 mole of chlorophyll is?

i want the explaination of the answer of this question.
7 years ago

Answers : (1)

Anil Pannikar AskiitiansExpert-IITB
85 Points

Dear Sanskriti ,


 mole = mass/ Molar mass

mass = 2.68/100 g

molar mass = 24.31 g/mol

no. of mg atoms = 6.02 x 10^23 * mole


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Anil Pannikar

IIT Bombay



7 years ago
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